Enable meta-based validation for shared libraries.

src/trusted/validator/validation_cache.h

 /*
  * Copyright (c) 2012 The Native Client Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef NATIVE_CLIENT_SRC_TRUSTED_VALIDATOR_VALIDATION_CACHE_H_
 #define NATIVE_CLIENT_SRC_TRUSTED_VALIDATOR_VALIDATION_CACHE_H_
 
 #include <stddef.h>
@@ skipping 39 matching lines @@
  */
 
 struct NaClValidationCache {
   void *handle;
   void *(*CreateQuery)(void *handle);
   void (*AddData)(void *query, const unsigned char *data, size_t length);
   int (*QueryKnownToValidate)(void *query);
   void (*SetKnownToValidate)(void *query);
   void (*DestroyQuery)(void *query);
   int (*CachingIsInexpensive)(const struct NaClValidationMetadata *metadata);
+  int (*ResolveFileNonce)(void *handle, uint64_t nonce, int32_t *fd,
+                          char **file_path, uint32_t *file_path_length);
 };
 
 extern int CachingIsInexpensive(struct NaClValidationCache *cache,
                                 const struct NaClValidationMetadata *metadata);
 
 /* Helper function for identifying the code being validated. */
 extern void AddCodeIdentity(uint8_t *data,
                             size_t size,
                             const struct NaClValidationMetadata *metadata,
                             struct NaClValidationCache *cache,
                             void *query);
 
 EXTERN_C_END
 
 #endif /* NATIVE_CLIENT_SRC_TRUSTED_VALIDATOR_VALIDATION_CACHE_H_ */